jayzhan211 commented on code in PR #13756: URL: https://github.com/apache/datafusion/pull/13756#discussion_r1884703980
########## datafusion/functions-nested/src/extract.rs: ########## @@ -993,3 +993,84 @@ where let data = mutable.freeze(); Ok(arrow::array::make_array(data)) } + +#[cfg(test)] +mod tests { + use super::array_element_udf; + use arrow_schema::{DataType, Field}; + use datafusion_common::{Column, DFSchema, ScalarValue}; + use datafusion_expr::expr::ScalarFunction; + use datafusion_expr::{cast, Expr, ExprSchemable}; + use std::collections::HashMap; + + #[test] + fn test_array_element_return_type() { + let complex_type = DataType::FixedSizeList( Review Comment: > It doesn't seem right to me that ExprSchema is coercing the arguments (implicitly) to me 🤔 We need to get the `return_type` of the function here and the arguments of `return_type` is the "coerced data type" therefore I think `new_data_types` is the right choice to me. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org